package cn.qayy.controller;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Set;

import javax.annotation.Resource;
import javax.servlet.ServletContext;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.ResponseBody;
import org.springframework.web.multipart.MultipartFile;

import com.alibaba.fastjson.JSONObject;
import com.github.pagehelper.PageInfo;

import cn.qayy.constants.CollectionConstant;
import cn.qayy.constants.Constant;
import cn.qayy.dto.BasisDTO;
import cn.qayy.dto.Msg;
import cn.qayy.dto.MsgInfo;
import cn.qayy.dto.RegisterDTO;
import cn.qayy.dto.StandardDTO;
import cn.qayy.po.Basis;
import cn.qayy.po.Bid;
import cn.qayy.po.Standard;
import cn.qayy.service.IStandardService;
import cn.qayy.service.Uploadable;
import cn.qayy.utils.ExcelUtils;
import cn.qayy.utils.JsonUtil;
import cn.qayy.utils.ResonseUtils;
import cn.qayy.utils.ServletContextUtils;
import cn.qayy.utils.StringUtil;
import cn.qayy.utils.BeanToMapUtils;
import cn.qayy.utils.DownLoadUtil;
import cn.qayy.utils.UploadHandler;


/**
 * @author wangyu
 * 标测库
 */
@Controller
@RequestMapping(value = "/standard/")
@SuppressWarnings("all")
public class StandardController {
    //注入service
    @Resource(name = "standardServiceImpl")
    private IStandardService standardService = null;

    List<String> multiselectCondi = new ArrayList<String>();    //可多选的条件

    /***
     * 批量导入
     * @param file
     * @param request
     * @return
     */
    @ResponseBody
    @RequestMapping(value="upload")
    public Object upload(@RequestParam("excelFile") MultipartFile file,HttpServletRequest request){
    	Msg msg = null;
    	int listSize = 0;	//excel记录数
    	try {
			Map<String, List<Uploadable>> map = UploadHandler.getLastData(file,StandardDTO.class);
			/**用户上传的总记录数**/
			MsgInfo msgInfo = (MsgInfo)map.get("totalCount").get(0);
			listSize = StringUtil.parseInt(msgInfo.getErr_num());
			
			if(map.get("fail") != null && !map.get("fail").isEmpty()) {//前台提示消息
				//验证不通过，前台提示消息 
				List<Uploadable> list = map.get("fail");
				msg = new Msg(Constant.CHECK_CODE,list);
			} else {//DB持久化
				standardService.persistence(map,request,null);
				// 正常操作前台提示消息 
				msg = new Msg(Constant.SUCESSFUL_CODE,"总记录数："+listSize+"，总成功数："+listSize+"，请核查！");
			}
		} catch (Exception e) {
			//异常后的前台提示消息
			e.printStackTrace();
			msg = new Msg(Constant.FAIL_CODE,Constant.FAIL_MSG+e.getMessage());
		}
		return msg;
    }

    @ResponseBody
    @RequestMapping(value="selectStandardList")
    public Object selectStandardList(StandardDTO dto,String pageNumber,String pageSize){
    	
    	Msg msg = null;
		try {
			Map<String, Object> params = new HashMap<String,Object>();
			params = BeanToMapUtils.objectToMap_strong(dto);
			params.put("pageNumber", pageNumber);
			params.put("pageSize", pageSize);
			PageInfo<Standard> pageInfo = standardService.selectStandardBy(params);
			msg = new Msg(Constant.SUCESSFUL_CODE,pageInfo);
		} catch(Exception e) {
			//e.printStackTrace();
			msg = new Msg(Constant.FAIL_CODE,e.getMessage());
		}
		return msg;
    }

    @ResponseBody
    @RequestMapping(value="selectStandardByID")
    public Object selectStandardByID(@RequestParam Integer standardId){
    	String resultList ="";
    	Msg msg = null;
        try {
            Standard standard = standardService.selectStandardByID(standardId);
            Object obj = JSONObject.toJSON(standard);
            long startTime = System.currentTimeMillis();
            return obj;
		} catch (Exception e) {
			//异常后的前台提示消息
			//e.printStackTrace();
			msg = new Msg(Constant.FAIL_CODE,Constant.FAIL_MSG+e.getMessage());
			resultList = JsonUtil.object2json(msg);
		}
        return resultList;
    }

    @ResponseBody
	@RequestMapping(value = "changeStandard")
	public Object changeStandard(StandardDTO dto,HttpServletRequest request) {
		//返回结果
    	Msg msg = null;
		String flag = (String) request.getParameter("flag");
		dto.setIsUpdate(flag);
		try {
			//验证数据
			Map<String, List<Uploadable>> map = UploadHandler.getLastData(dto);
			if(map.get("fail") != null && !map.get("fail").isEmpty()) {//验证不通过，前台提示消息
				List<Uploadable> list = map.get("fail");
				msg = new Msg(Constant.CHECK_CODE,list);
			} else {//验证通过，DB持久化
				standardService.persistence(map,request,null);
				msg = new Msg(Constant.SUCESSFUL_CODE,"总记录数："+1+"，总成功数："+1+"，请核查！");
			}
		} catch (Exception e) {
			//e.printStackTrace();
			msg = new Msg(Constant.FAIL_CODE,Constant.FAIL_MSG+e.getMessage());
		}
		return msg;
	}
    
    /***
	 * 页面下载已筛选的记录
	 * @param request
	 * @param response
	 */
	@RequestMapping(value = "download")
	public void download(HttpServletRequest request, HttpServletResponse response) {
		try {
			List<StandardDTO> loadDataList = DownLoadUtil.getInstance().getTargetDownLoadDataList(StandardDTO.class);
			String downloadPath = ExcelUtils.getInstance().dataToExcelDxls("标测库",StringUtil.listToStrArray(CollectionConstant.bck_mb),loadDataList);
			String url = request.getContextPath()+"/servlet/FileDownServlet?url="+downloadPath;
			response.sendRedirect(url);
		} catch (Exception e) {
			e.printStackTrace();
		}  
	}
	
	/***
	 * 展示UI页面
	 * @return
	 */
	@RequestMapping(value="ui")
	public String ui() {
		return "standard_search";
	}
	
	/***
	 * 获取待复制的id
	 * @return
	 */
	@ResponseBody
	@RequestMapping(value = "selectIds")
	public Object selectIds(HttpServletResponse response,HttpServletRequest request) {
		JSONObject json = new JSONObject();
		StringBuilder result=new StringBuilder();
		Msg msg = null;
		try {
			//获取缓存中的筛选条件
			Map<String, Object> params = (Map<String, Object>)DownLoadUtil.get("StandardDTO");
			if(params == null) {
				params = new HashMap<String, Object>();
				params.put("t", "1127");
			}
			List<Integer> list = standardService.selectIdsByMap(params);
			if(list != null && list.size()>0) {
				for (Integer id : list) {
					result.append(id+" ");
				}
				result.deleteCharAt(result.toString().length()-1);
			}
		} catch(Exception e) {
			e.printStackTrace();
			msg = new Msg(Constant.FAIL_CODE, Constant.FAIL_MSG+e.getMessage());
			return msg;
		}
		json.put("ids", result.toString());
		ResonseUtils.writeResponseByJson(response, json);
		//封装成json返回给前台
		return null;
	}
}
